Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Elektromechanikai VallalatfiledCriticalElektromechanikai Vallalat
Priority to HU75EE00002367ApriorityCriticalpatent/HU170960B/en
Publication of HU170960BpublicationCriticalpatent/HU170960B/en